Camera2: Add prepare for output streams
The prepare call asynchronously pre-allocates buffers for a given
output stream, and then fires the onPrepared callback.
Not implemented for Camera2Device or used in Camera2Client.
Change-Id: I1cccdfff846dd6985133c591dbdceed823929ade
diff --git a/services/camera/libcameraservice/api2/CameraDeviceClient.h b/services/camera/libcameraservice/api2/CameraDeviceClient.h
index f2d8899..b8d8bea 100644
--- a/services/camera/libcameraservice/api2/CameraDeviceClient.h
+++ b/services/camera/libcameraservice/api2/CameraDeviceClient.h
@@ -109,6 +109,9 @@
virtual status_t flush(/*out*/
int64_t* lastFrameNumber = NULL);
+ // Prepare stream by preallocating its buffers
+ virtual status_t prepare(int streamId);
+
/**
* Interface used by CameraService
*/
@@ -135,6 +138,7 @@
virtual void notifyError(ICameraDeviceCallbacks::CameraErrorCode errorCode,
const CaptureResultExtras& resultExtras);
virtual void notifyShutter(const CaptureResultExtras& resultExtras, nsecs_t timestamp);
+ virtual void notifyPrepared(int streamId);
/**
* Interface used by independent components of CameraDeviceClient.